1. 1/8 = X/165
18x = 9.17

1. 1/8 = X/615
18x = 34.2

2. 1/8 = X/32
18x = 1.78

2. 1/8 = X/42
18x = 2.33

3. 1/8 = X/287
18x = 15.9

3. 1/18 = X180
18x = 10

3.1/18 = X/15
18x = 0.83

4.1/8 = X/6
18x = 0.33